#1  
Old 07-25-2014, 10:45 AM
Peasant
 
Join Date: Feb 2014
Location: CA
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Default Chimney pipe ?

I am getting close to starting on my chimney and decided to order the flue and adapter, I am building a 42"X40" barrel oven and plan on using 8" X 48" double wall metal chimney tube, does the tube have to be Stainless? cannot find anything under $250 in SS.

Thanks for your help.
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  #2  
Old 07-25-2014, 12:31 PM
boerwarrior's Avatar
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Default Re: Chimney pipe ?

nope. stainless looks better but anything that won't rust is fine. On this forum I have seen both galvanized and powder coated chimneys used.

Last edited by boerwarrior; 07-30-2014 at 08:03 AM.
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Old 07-29-2014, 11:18 PM
Peasant
 
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Default Re: Chimney pipe ?

does it matter what the chimney is made of? After all. it only helps keep the smoke out of your eyes when you have the door open. It does not have any effect on the burning as it is outside of the oven?

Mine is a six inch piece of ss flue, second hand and about 5 foot long. Most of the smoke goes up it - but not all, depends on how the fire is going. I would think double wall pipe is overkill. same with cap on top.
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Old 07-30-2014, 11:26 AM
Peasant
 
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Default Re: Chimney pipe ?

I was told double wall is the way to go on this and it does make a difference.
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Old 07-30-2014, 11:56 AM
boerwarrior's Avatar
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Default Re: Chimney pipe ?

You need double wall if the chimney is near any wooden rafters. My SS chimney is only exposed to the elements and is single wall
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Old 07-30-2014, 12:49 PM
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Default Re: Chimney pipe ?

Quote:
Originally Posted by boerwarrior View Post
nope. stainless looks better but anything that won't rust is fine. On this forum I have seen both galvanized and powder coated chimneys used.
Stainless won't stay nice and shiny, it goes a pewter colour after around a couple of years. 304 stainless is the material generally used, but if you live on the beach you better use 316. 304 will rust in that environment.
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Old 07-30-2014, 12:55 PM
Peasant
 
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Default Re: Chimney pipe ?

I live is SO. CA and I don't need to worry about moisture since it hardly ever rains here and I do not live by the beach. What type of chimney tube should I get? Don't want to have to deal with replacing it anytime soon due to rust and I really do not want to spend $250+ on a SS pipe. Do I need double wall or single wall? I am building a barrel vault oven.
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Old 07-30-2014, 01:05 PM
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Default Re: Chimney pipe ?

Quote:
Originally Posted by ceeyahd1 View Post
I live is SO. CA and I don't need to worry about moisture since it hardly ever rains here and I do not live by the beach. What type of chimney tube should I get? Don't want to have to deal with replacing it anytime soon due to rust and I really do not want to spend $250+ on a SS pipe. Do I need double wall or single wall? I am building a barrel vault oven.
$250 sounds a lot for one length of ss pipe, shop around. You could try a clay flue liner, but to avoid it cracking you should insulate it and build an outer skin with brick or ferro cement. The time and cost of which will probably be more than the ss. Or just go with brick chimney, no flue liner.

Last edited by david s; 07-30-2014 at 01:07 PM.
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  #9  
Old 07-30-2014, 01:08 PM
Peasant
 
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Default Re: Chimney pipe ?

OK. Do I need single wall or double wall tube?
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Old 07-30-2014, 04:04 PM
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Default Re: Chimney pipe ?

Quote:
Originally Posted by ceeyahd1 View Post
OK. Do I need single wall or double wall tube?
Single, unless you are going through a roof and the pipe is near anything combustible.
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